#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int w;
    double l;
    cin>>w>>l;
    double temp=w*1.0/(l*l);
    if(temp>=18.5&&temp<=23.9)cout<<"Normal"<<endl;
    else cout<<"Abnormal"<<endl;
    return 0;
}
